QLC_PEX_DMA_READ_SIZE
dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
QLC_PEX_DMA_READ_SIZE,
if (mem->size - read_size >= QLC_PEX_DMA_READ_SIZE)
size = QLC_PEX_DMA_READ_SIZE;